Using laser methods to remove the beard has a certain effect, the main principle is to use the selective photothermal effect of the laser, the laser emitted energy through the skin surface focused on the pigment cells of the hair follicle, so that the hair follicle stem cells are selectively destroyed, also does not affect the surrounding tissue, so as to achieve the purpose of removing the beard, so that the beard thinned. But not all of them can be removed at once, it may take 3-5 laser treatments to achieve the effect of permanent beard removal. The general laser treatment is more ideal to choose about 700nm light wave treatment, some patients in the laser treatment, there may be in the local erythema, pigmentation or hypopigmentation and other adverse reactions. Usually there is slight pain during the operation, but most patients can accept it and it is a faster and safer way at present. In addition, after laser hair removal, patients should pay attention to avoid eating spicy food such as seafood, spicy hot pot and alcohol for 10 days. Patients can also use a razor to remove the beard in daily life, and pay attention to using cool water to wash the face, and apply sunscreen.